ACS722LLCTR-20AU-S

Current Sensors Overview

The Allegro ACS722LLCTR-20AU-S is a Hall effect-based current sensor IC designed for AC or DC sensing applications. It features an 8-pin SOIC surface-mount package with a bandwidth of 80 kHz and operates within a supply voltage range of 3 V to 3.6 V. The device provides galvanic isolation between the current-carrying circuit and the electrical control circuit, offering high precision with an offset voltage of ±15 mV. It supports unidirectional current detection up to 20 A and functions reliably across a temperature range of -40°C to 150°C.

Current Sensors Feature Summary

• Utilizes integrated Hall effect technology for precise current measurement
• Provides galvanic isolation between high-voltage circuits and control logic
• Features low offset voltage for accurate signal processing
• Supports surface-mount installation in compact designs

Current Sensors Applications

• Industrial motor control systems
• Commercial power supply monitoring
• Communications equipment current sensing
• Inverter and converter protection circuits

Current Sensors Procurement Notes

Verify component authenticity through authorized distributors, as this part is marked Not Recommended for New Designs (NRND). Confirm package integrity upon receipt, ensuring no physical damage to the SOIC-8 leads. Check datasheet revisions for any updates regarding packaging changes or pinout configurations before finalizing procurement orders.

Current Sensors Selection Notes

Select this component for applications requiring isolated current sensing with moderate bandwidth requirements. Ensure the design accommodates the specific 3 V to 3.6 V supply voltage constraints. Consider thermal management strategies due to the internal copper conduction path, and verify that the 20 A current rating aligns with peak load conditions without exceeding safe operating limits.

Current Sensors Part Context

This device belongs to the ACS722 series, which offers economical solutions for current sensing in various electronic systems. The suffix 'S' indicates a tape-and-reel packaging format suitable for automated assembly processes. As an open-loop Hall effect sensor, it integrates the sensing element directly onto the silicon die for enhanced performance and reliability compared to external magnetic sensors.

Current Sensors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.